On Tue, May 15, 2018 at 08:24:37PM +0800, Yanjun Zhu wrote: > > > On 2018/5/15 3:41, Jason Gunthorpe wrote: > >On Mon, May 14, 2018 at 09:42:31AM +0800, Yanjun Zhu wrote: > >> > >>On 2018/5/13 19:49, Tom Talpey wrote: > >>>On 5/12/2018 9:00 PM, Yanjun Zhu wrote: > >>>> > >>>>On 2018/5/12 22:24, Tom Talpey wrote: > >>>>>On 5/12/2018 9:54 AM, Zhu Yanjun wrote: > >>>>>>When udp port 4791 is blocked, the udp port 4891 is used and vice > >>>>>>versa. > >>>>>Port 4891 is currently unassigned in the IANA registry. Do you intend > >>>>>to request this? > >>>>Yes. If this patch is merged, I will request it. > >>>That is improper - the standards assignment must come first. In my > >>>opinion the firewall reasoning will be rejected by the IANA, and > >>>there's no guarantee what number will be assigned in any case. The > >>>process is defined here: https://tools.ietf.org/html/rfc6335 > >>> > >>>Do the hard stuff first; develop a solid justification why this is > >>>a good and proper approach, before deploying it on the IP Internet > >>>by making it part of Linux. > >>Thanks a lot for your suggestions. I will request the udp port now. > Hi, Jason > > I checked the Annex 17: RoCEv2. From this spec, the udp is specified to > carry rdma. > This feature is based on the above. And it is transparent to RDMA. That is, > RDMA will > not detect udp port exchange. And this feature is helpful to RDMA. IBTA controls the port numbers that rocev2 uses, and how it should intereact if there are suddently two port numbers. > So I do not know why IBTA do not want to give us a ROCE related port. I will > request the port > with IETF. > > If I can get the port, will you merge these patches into mainline? Not without an IBTA spec explaining the behavior so this can be interoperable. Talk to your company's IBTA representatives for guidance on the process. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
